72511440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{701}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 225628416

約数和(自身を除く): 153116976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 701, 862, 1293, 1402, 1724, 2103, 2155, 2586, 2804, 3448, 3505, 4206, 4310, 5172, 5608, 6465, 6896, 7010, 8412, 8620, 10344, 10515, 11216, 12930, 14020, 16824, 17240, 20688, 21030, 25860, 28040, 33648, 34480, 42060, 51720, 56080, 84120, 103440, 168240, 302131, 604262, 906393, 1208524, 1510655, 1812786, 2417048, 3021310, 3625572, 4531965, 4834096, 6042620, 7251144, 9063930, 12085240, 14502288, 18127860, 24170480, 36255720, 72511440]

約数ペア:

[(1, 72511440), (2, 36255720), (3, 24170480), (4, 18127860), (5, 14502288), (6, 12085240), (8, 9063930), (10, 7251144), (12, 6042620), (15, 4834096), (16, 4531965), (20, 3625572), (24, 3021310), (30, 2417048), (40, 1812786), (48, 1510655), (60, 1208524), (80, 906393), (120, 604262), (240, 302131), (431, 168240), (701, 103440), (862, 84120), (1293, 56080), (1402, 51720), (1724, 42060), (2103, 34480), (2155, 33648), (2586, 28040), (2804, 25860), (3448, 21030), (3505, 20688), (4206, 17240), (4310, 16824), (5172, 14020), (5608, 12930), (6465, 11216), (6896, 10515), (7010, 10344), (8412, 8620)]